patch 4.0

unittest/sql/engine/join/ob_nested_loop_join_test2.cpp

@@ -0,0 +1,94 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#include "sql/engine/join/ob_nested_loop_join.h"
+#include <gtest/gtest.h>
+#include "lib/utility/ob_test_util.h"
+#include "sql/ob_sql_init.h"
+using namespace oceanbase::common;
+using namespace oceanbase::sql;
+class TestNLJTest2: public ::testing::Test
+{
+public:
+  TestNLJTest2();
+  virtual ~TestNLJTest2();
+  virtual void SetUp();
+  virtual void TearDown();
+private:
+  // disallow copy
+  DISALLOW_COPY_AND_ASSIGN(TestNLJTest2);
+protected:
+  // function members
+protected:
+  // data members
+};
+
+TestNLJTest2::TestNLJTest2()
+{
+}
+
+TestNLJTest2::~TestNLJTest2()
+{
+}
+
+void TestNLJTest2::SetUp()
+{
+}
+
+void TestNLJTest2::TearDown()
+{
+}
+
+TEST_F(TestNLJTest2, serialize_rescan_params)
+{
+  ObPhysicalPlan phy_plan;
+  ObNestedLoopJoin join(phy_plan.get_allocator());
+  join.set_phy_plan(&phy_plan);
+  join.set_id(100);
+  join.set_column_count(111);
+  join.init_param_count(200);
+  ObSqlExpressionFactory factory(phy_plan.get_allocator());
+  ObSqlExpression *expr = NULL;
+  ASSERT_EQ(OB_SUCCESS, factory.alloc(expr));
+  ASSERT_TRUE(NULL != expr);
+  ObPostExprItem item;
+  expr->set_item_count(1);
+  ASSERT_EQ(OB_SUCCESS, item.set_column(10));
+  ASSERT_EQ(OB_SUCCESS, expr->add_expr_item(item));
+  ASSERT_EQ(OB_SUCCESS, join.add_nlj_param(expr, 3));
+  COMMON_LOG(INFO, "join", K(join));
+  // serialize
+  char buf[1024];
+  int64_t pos = 0;
+  ASSERT_EQ(OB_SUCCESS, join.serialize(buf, 1024, pos));
+  ASSERT_EQ(pos, join.get_serialize_size());
+  const char* join_str = S(join);
+  // deserialize
+  int64_t data_len = pos;
+  pos = 0;
+  ObPhysicalPlan phy_plan2;
+  ObNestedLoopJoin join2(phy_plan2.get_allocator());
+  join2.set_phy_plan(&phy_plan2);
+  ASSERT_EQ(OB_SUCCESS, join2.deserialize(buf, data_len, pos));
+  ASSERT_EQ(data_len, pos);
+  COMMON_LOG(INFO, "join2", K(join2));
+  const char* join2_str = S(join2);
+  ASSERT_STREQ(join_str, join2_str);
+}
+
+int main(int argc, char **argv)
+{
+  OB_LOGGER.set_log_level("INFO");
+  init_sql_factories();
+  ::testing::InitGoogleTest(&argc,argv);
+  return RUN_ALL_TESTS();
+}